How to set up APD:
https://helpdesk.flexradio.com/hc/en-us/articles/49290951647899-Configuring-SmartSignal-APD-for-FlexRadio-8000-and-the-Power-Genius-XL-Amplifier
https://helpdesk.flexradio.com/hc/en-us/articles/49290951647899-Configuring-SmartSignal-APD-for-FlexRadio-8000-and-the-Power-Genius-XL-Amplifier